Flammable Gas Leak Detector Experience fast and reliable detection of flammable gas leaks on gas pipelines, with added precision in measuring environmental temperature and humidity. This indispensable tool is perfect for every professional involved in gas safety. Features: Sensitivity Selection: Choose from high, medium, or low sensitivity based on your specific environment. Telescopic Rod Design: Extendable rod to increase the measuring distance of the sensor. Audio-Visual Alarm: Screen changes color and emits a buzzing alarm to indicate concentration levels. High-Precision Sensor: Equipped with a high-precision sensor for sensitivity and fast response. High-Definition Backlight Display: LCD display ensures clear readings even in dim environments. Environmental Temperature and Humidity Detection: Measures real-time ambient temperature and humidity, along with gas detection. This versatile product is ideal for natural gas pipeline leak detection, home gas safety, metallurgy, mining, oil and gas exploration, hazardous material storage facilities, and more. Specifications: Model: HT609PRO Material: ABS Gas Detection: 50~1000ppm (Methane), Resolution: 100ppm, Accuracy: ±30% Temperature Detection: Range: -20.0℃~60.0℃ / -4.0℉~140.0℉, Resolution: 0.1, Accuracy: (32℉~113℉)±1.0℃/2.0℉ Humidity Detection: Range: 0.0%~99.9%RH, Resolution: 0.1, Accuracy: 20%~80%: ±5.0RH Display: LCD Auto Power Off: Yes Low Battery Indication: Yes Trichromatic Backlight: Yes Buzzer Alert: Yes Power Supply: 3 x 1.5V AAA Alkaline batteries (Not included) Test Gas: Compatible with a wide range of gases including acetone, acetylene, alcohol, ammonia, benzene, and more. Warm-Up Time: About 30 seconds Response Time: ≤500ppm: Approx. 5 sec; >500ppm: Approx. 2 sec Alarm Mode: Buzzer and indicator light Operating Conditions: 0~50℃ / 20~80%RH Storage Conditions: -10~60℃ / 20~80%RH Extend Size: 265 x 56 x 27mm / 10.43 x 2.20 x 1.06 in Normal Size: 165 x 56 x 27mm / 6.49 x 2.20 x 1.06 in Item Weight: 120g / 4.23oz Package Weight: 201g / 7.09oz Package Size: 20.5 x 9 x 5.5 cm / 8.07 x 3.54 x 2.16 in Package Includes: 1 x Gas Leak Detector 1 x Storage Bag 1 x User Manual (English)